Prestack Scalar Reverse-Time Depth Migration of Three-Dimensional Elastic Seismic Data

O1 - 01 SEISMIC ACQUISITION & PROCESSING Prestack Scalar Reverse-Time Depth Migration of Three- Dimensional Elastic Seismic Data Robert Sun 1 2 George A. McMechan 2 Chen-Shao Lee 1 1 Department of Earth Sciences National Chengkung University 1 Tahsueh Rd. Tainan Taiwan 701 2 Center for Lithospheric Studies University of Texas at Dallas Richardson Texas 75083 USA Summary We migrate the reflected P- and S-waves in a prestack threedimensional (3-D) three-component (3-C) elastic seismic data volume generated with a P-wave source in a three-dimensional model using two independent 3-D scalar reverse-time depth migrations. P- and P-S-converted waves are extracted by